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    Subject[PATCH 11/27] sh, smpboot: Use generic SMP booting infrastructure
    Date
    Convert sh to use the generic framework to boot secondary CPUs.

    Notes:
    Postpone enabling local interrupts to after completing bringup of
    secondary CPU.

    Cc: Paul Mundt <lethal@linux-sh.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Andrew Morton <akpm@linux-foundation.org>
    Cc: Rusty Russell <rusty@rustcorp.com.au>
    Cc: Mike Frysinger <vapier@gentoo.org>
    Cc: linux-sh@vger.kernel.org
    Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
    ---

    arch/sh/kernel/smp.c | 19 +++++++++----------
    1 files changed, 9 insertions(+), 10 deletions(-)

    diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
    index 8e0fde0..d7f7faf 100644
    --- a/arch/sh/kernel/smp.c
    +++ b/arch/sh/kernel/smp.c
    @@ -179,6 +179,11 @@ void native_play_dead(void)

    asmlinkage void __cpuinit start_secondary(void)
    {
    + smpboot_start_secondary(NULL);
    +}
    +
    +void __cpuinit __cpu_pre_starting(void *unused)
    +{
    unsigned int cpu = smp_processor_id();
    struct mm_struct *mm = &init_mm;

    @@ -190,23 +195,17 @@ asmlinkage void __cpuinit start_secondary(void)
    local_flush_tlb_all();

    per_cpu_trap_init();
    +}

    - preempt_disable();
    -
    - notify_cpu_starting(cpu);
    -
    - local_irq_enable();
    +void __cpuinit __cpu_pre_online(void *unused)
    +{
    + unsigned int cpu = smp_processor_id();

    /* Enable local timers */
    local_timer_setup(cpu);
    calibrate_delay();

    smp_store_cpu_info(cpu);
    -
    - set_cpu_online(cpu, true);
    - per_cpu(cpu_state, cpu) = CPU_ONLINE;
    -
    - cpu_idle();
    }

    extern struct {


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